Snippetcove: Regex and Data

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Everyone
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Everyone
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About this app

Snippetcove: a developer toolbox that runs entirely on your phone.

REGEX TESTER
- Paste a pattern and sample text and see matches and groups live
- Replace preview, ignore case, multiline and dotall flags
- Save patterns to a library and load them later

CONVERTER
- Convert between JSON, YAML and XML, with optional minified output
- Open a file or paste text. Nothing is uploaded

CODE SANDBOX
- A tiny scratchpad language with integers, let, print and basic maths, run on the device

FREE WITH ADS
- Every feature is free
- A banner at the bottom and a full-screen ad only sometimes after a successful action, never at launch; you choose how often in Settings
- Remove ads: monthly subscription or a one-time purchase. Removes ads only.

No account needed. Your patterns, text and files stay on this phone unless you copy or share them. Results are provided as they are, with no guarantee; test patterns and conversions in your own software before relying on them.

(c) 2026 Vasa Serafin.
Test regex, convert JSON, YAML and XML, and run code snippets. All offline.
Updated on
Oct 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

First release of Devnook: a regex tester, JSON/YAML/XML converter and code sandbox in one toolbox, with a saved library.